Telescope diagonal mirrors

We make our own fused silica secondary mirrors.

Let us make one CUSTOM for you if stock isn’t what you need.

Awesome Features:

Diagonal Mirror

Diagonal Mirrors

​Fused Silica Telescope Diagonal Mirrors

​Flatness 1/20 wave, the back surface is polished. Thickness is from .25" to .4" nominal depending on minor axis size. Coated with protected aluminum for reflectance in the visible of greater than 92%

Minor Axis Size
​Flatness
​Thickness
​Price $
.75"
1/20th wave
0.25"
​$65.00
1.0"
1/20th wave
0.25"
​$75.00
1.32"
1/20th wave
0.25"
​$95.00
1.52"
1/20th wave
0.25"
​$115.00
1.83"
1/20th wave
0.25"
$145.00
​2.14"
1/20th wave
0.25"
$235.00
2.60"
1/20th wave
0.25"
$265.00
3.10"
1/20th wave
0.40"
$295.00
3.50"
1/20th wave
0.40"
$345.00
4.00"
1/20th wave
0.40"
$395.00
4.50"
1/12th wave
0.40"
$785.00
5.00"
1/12th wave
0.40"
$845.00
5.50"
1/10th wave
0.40"
$985.00
6.00"
1/10th wave
0.40"
$1135.00
Telescope Diagonal Mirrors 1

​Custom Size Telescope Diagonal Mirrors

​Since we make everything in our own shop we can manufacture you a custom size diagonal mirror. Just let us know what minor axis size you require with anything else modified and we will be happy to help you out.

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